Tech ENABLE_GLBEGIN_GLEND_REMOVAL - Refactoring of GLModel to:
1) allow for custom vertex data layout 2) allow for custom index data format 3) allow for any OpenGL primitive type
This commit is contained in:
enricoturri1966
parent
7a3f71331d
commit
afcac6e2ea
36 changed files with 1929 additions and 715 deletions
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@ -24,7 +24,6 @@ namespace GUI {
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const double GLGizmoCut::Offset = 10.0;
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const double GLGizmoCut::Margin = 20.0;
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static const ColorRGBA GRABBER_COLOR = ColorRGBA::ORANGE();
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static const ColorRGBA PLANE_COLOR = { 0.8f, 0.8f, 0.8f, 0.5f };
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GLGizmoCut::GLGizmoCut(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
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: GLGizmoBase(parent, icon_filename, sprite_id)
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@ -104,48 +103,39 @@ void GLGizmoCut::on_render()
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#if ENABLE_GLBEGIN_GLEND_REMOVAL
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GLShaderProgram* shader = wxGetApp().get_shader("flat");
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if (shader == nullptr)
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return;
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shader->start_using();
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if (shader != nullptr) {
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shader->start_using();
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bool z_changed = std::abs(plane_center.z() - m_old_z) > EPSILON;
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m_old_z = plane_center.z();
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const bool z_changed = std::abs(plane_center.z() - m_old_z) > EPSILON;
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m_old_z = plane_center.z();
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if (!m_plane.is_initialized() || z_changed) {
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m_plane.reset();
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if (!m_plane.is_initialized() || z_changed) {
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m_plane.reset();
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GLModel::InitializationData init_data;
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GLModel::InitializationData::Entity entity;
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entity.type = GLModel::PrimitiveType::Triangles;
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entity.positions.reserve(4);
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entity.positions.emplace_back(Vec3f(min_x, min_y, plane_center.z()));
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entity.positions.emplace_back(Vec3f(max_x, min_y, plane_center.z()));
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entity.positions.emplace_back(Vec3f(max_x, max_y, plane_center.z()));
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entity.positions.emplace_back(Vec3f(min_x, max_y, plane_center.z()));
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GLModel::Geometry init_data;
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init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3, GLModel::Geometry::EIndexType::USHORT };
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init_data.color = { 0.8f, 0.8f, 0.8f, 0.5f };
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init_data.vertices.reserve(4 * GLModel::Geometry::vertex_stride_floats(init_data.format));
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init_data.indices.reserve(6 * GLModel::Geometry::index_stride_bytes(init_data.format));
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entity.normals.reserve(4);
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for (size_t i = 0; i < 4; ++i) {
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entity.normals.emplace_back(Vec3f::UnitZ());
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// vertices
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init_data.add_vertex(Vec3f(min_x, min_y, plane_center.z()));
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init_data.add_vertex(Vec3f(max_x, min_y, plane_center.z()));
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init_data.add_vertex(Vec3f(max_x, max_y, plane_center.z()));
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init_data.add_vertex(Vec3f(min_x, max_y, plane_center.z()));
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// indices
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init_data.add_ushort_triangle(0, 1, 2);
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init_data.add_ushort_triangle(2, 3, 0);
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m_plane.init_from(std::move(init_data));
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}
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entity.indices.reserve(6);
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entity.indices.emplace_back(0);
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entity.indices.emplace_back(1);
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entity.indices.emplace_back(2);
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entity.indices.emplace_back(2);
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entity.indices.emplace_back(3);
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entity.indices.emplace_back(0);
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init_data.entities.emplace_back(entity);
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m_plane.init_from(init_data);
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m_plane.set_color(-1, PLANE_COLOR);
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}
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m_plane.render();
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m_plane.render();
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#else
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// Draw the cutting plane
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::glBegin(GL_QUADS);
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::glColor4fv(PLANE_COLOR.data());
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::glColor4f(0.8f, 0.8f, 0.8f, 0.5f);
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::glVertex3f(min_x, min_y, plane_center.z());
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::glVertex3f(max_x, min_y, plane_center.z());
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::glVertex3f(max_x, max_y, plane_center.z());
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@ -153,47 +143,41 @@ void GLGizmoCut::on_render()
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glsafe(::glEnd());
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#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
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glsafe(::glEnable(GL_CULL_FACE));
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glsafe(::glDisable(GL_BLEND));
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glsafe(::glEnable(GL_CULL_FACE));
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glsafe(::glDisable(GL_BLEND));
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// TODO: draw cut part contour?
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// Draw the grabber and the connecting line
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m_grabbers[0].center = plane_center;
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m_grabbers[0].center.z() = plane_center.z() + Offset;
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// Draw the grabber and the connecting line
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m_grabbers[0].center = plane_center;
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m_grabbers[0].center.z() = plane_center.z() + Offset;
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glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
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glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
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glsafe(::glLineWidth(m_hover_id != -1 ? 2.0f : 1.5f));
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glsafe(::glLineWidth(m_hover_id != -1 ? 2.0f : 1.5f));
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#if ENABLE_GLBEGIN_GLEND_REMOVAL
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if (!m_grabber_connection.is_initialized() || z_changed) {
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m_grabber_connection.reset();
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if (!m_grabber_connection.is_initialized() || z_changed) {
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m_grabber_connection.reset();
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GLModel::InitializationData init_data;
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GLModel::InitializationData::Entity entity;
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entity.type = GLModel::PrimitiveType::Lines;
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entity.positions.reserve(2);
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entity.positions.emplace_back(plane_center.cast<float>());
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entity.positions.emplace_back(m_grabbers[0].center.cast<float>());
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GLModel::Geometry init_data;
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init_data.format = { GLModel::Geometry::EPrimitiveType::Lines, GLModel::Geometry::EVertexLayout::P3, GLModel::Geometry::EIndexType::USHORT };
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init_data.color = ColorRGBA::YELLOW();
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init_data.vertices.reserve(2 * GLModel::Geometry::vertex_stride_floats(init_data.format));
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init_data.indices.reserve(2 * GLModel::Geometry::index_stride_bytes(init_data.format));
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entity.normals.reserve(2);
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for (size_t i = 0; i < 2; ++i) {
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entity.normals.emplace_back(Vec3f::UnitZ());
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// vertices
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init_data.add_vertex((Vec3f)plane_center.cast<float>());
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init_data.add_vertex((Vec3f)m_grabbers[0].center.cast<float>());
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// indices
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init_data.add_ushort_line(0, 1);
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m_grabber_connection.init_from(std::move(init_data));
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}
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entity.indices.reserve(2);
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entity.indices.emplace_back(0);
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entity.indices.emplace_back(1);
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m_grabber_connection.render();
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init_data.entities.emplace_back(entity);
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m_grabber_connection.init_from(init_data);
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m_grabber_connection.set_color(-1, ColorRGBA::YELLOW());
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shader->stop_using();
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}
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m_grabber_connection.render();
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shader->stop_using();
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shader = wxGetApp().get_shader("gouraud_light");
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#else
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glsafe(::glColor3f(1.0, 1.0, 0.0));
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@ -204,23 +188,31 @@ void GLGizmoCut::on_render()
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GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
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#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
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if (shader != nullptr) {
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shader->start_using();
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shader->set_uniform("emission_factor", 0.1f);
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if (shader == nullptr)
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return;
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shader->start_using();
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shader->set_uniform("emission_factor", 0.1f);
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m_grabbers[0].color = GRABBER_COLOR;
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m_grabbers[0].render(m_hover_id == 0, float((box.size().x() + box.size().y() + box.size().z()) / 3.0));
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m_grabbers[0].color = GRABBER_COLOR;
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m_grabbers[0].render(m_hover_id == 0, (float)((box.size().x() + box.size().y() + box.size().z()) / 3.0));
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shader->stop_using();
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}
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shader->stop_using();
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(m_cut_contours.shift.x(), m_cut_contours.shift.y(), m_cut_contours.shift.z()));
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glsafe(::glLineWidth(2.0f));
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m_cut_contours.contours.render();
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glsafe(::glPopMatrix());
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}
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#if ENABLE_GLBEGIN_GLEND_REMOVAL
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shader = wxGetApp().get_shader("flat");
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if (shader != nullptr) {
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shader->start_using();
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#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(m_cut_contours.shift.x(), m_cut_contours.shift.y(), m_cut_contours.shift.z()));
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glsafe(::glLineWidth(2.0f));
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m_cut_contours.contours.render();
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glsafe(::glPopMatrix());
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#if ENABLE_GLBEGIN_GLEND_REMOVAL
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shader->stop_using();
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}
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#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
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}
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void GLGizmoCut::on_render_for_picking()
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{
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@ -378,7 +370,11 @@ void GLGizmoCut::update_contours()
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const Polygons polys = slice_mesh(m_cut_contours.mesh.its, m_cut_z, slicing_params);
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if (!polys.empty()) {
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m_cut_contours.contours.init_from(polys, static_cast<float>(m_cut_z));
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#if ENABLE_GLBEGIN_GLEND_REMOVAL
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m_cut_contours.contours.set_color(ColorRGBA::WHITE());
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#else
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m_cut_contours.contours.set_color(-1, { 1.0f, 1.0f, 1.0f, 1.0f });
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#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
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}
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}
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else if (box.center() != m_cut_contours.position) {
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